| 摘要 |
A rotational register system comprising a mandrel and a roll transfer design mechanism, with a female keyway disposed on one end of the mandrel and configured to engage a male keyway on the inner surface of a pen cap to rotationally register said pen cap relative to the starting and ending point of the transfer mechanism is disclosed. There is further provided a clip attaching mechanism with a second mandrel also having a female keyway such that the seam of a design on the pen cap will be directly covered by the clip.
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